135782713 has 4 divisors (see below), whose sum is σ = 148126608. Its totient is φ = 123438820.

The previous prime is 135782687. The next prime is 135782719. The reversal of 135782713 is 317287531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135782713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135782719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6171931 + ... + 6171952.

It is an arithmetic number, because the mean of its divisors is an integer number (37031652).

Almost surely, 2^135782713 is an apocalyptic number.

It is an amenable number.

135782713 is a deficient number, since it is larger than the sum of its proper divisors (12343895).

135782713 is a wasteful number, since it uses less digits than its factorization.

135782713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12343894.

The product of its digits is 35280, while the sum is 37.

The square root of 135782713 is about 11652.5839623665. The cubic root of 135782713 is about 513.9822966241.

The spelling of 135782713 in words is "one hundred thirty-five million, seven hundred eighty-two thousand, seven hundred thirteen".